Home / 139,270.91-192,095.48-85,586.13

Finding the Fourth Proportional to 139,270.91, 192,095.48 and 85,586.13

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Solution

The fourth proportional to 139,270.91, 192,095.48 and 85,586.13 is: 118,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,270.91 : 192,095.48 = 85,586.13 : x
  2. Step 2: Convert to fraction form
    139,270.91/192,095.48 = 85,586.13/x
  3. Step 3: Cross multiply
    139,270.91x = 192,095.48 × 85,586.13
  4. Step 4: Simplify right side
    139,270.91x = 16,440,708,937.66
  5. Step 5: Solve for x
    x = 16,440,708,937.66/139,270.91
  6. Step 6: Final answer
    x = 118,048.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.